Issue #18661: typo in grp.struct_group docstring (fix merged from 3.3).  Thanks Vajrasky Kok.
diff --git a/Modules/grpmodule.c b/Modules/grpmodule.c
index 73596d3..a85a271 100644
--- a/Modules/grpmodule.c
+++ b/Modules/grpmodule.c
@@ -10,7 +10,7 @@
    {"gr_name", "group name"},
    {"gr_passwd", "password"},
    {"gr_gid", "group id"},
-   {"gr_mem", "group memebers"},
+   {"gr_mem", "group members"},
    {0}
 };